MIT InfraredTags Augmented Reality Markers Barcodes
MIT researchers have developed InfraredTags, or 2D markers and barcodes that cannot be seen with the naked eye, but are able to be 3D printed as part of objects. These invisible markers can be detected rapidly by low-cost near-infrared cameras. This is achieved by printing objects from an infrared-transmitting filament, which infrared cameras can see through, and by having air gaps inside for the tag’s bits.



The researchers then designed a user interface that facilitates the integration of common tags (QR codes, ArUco markers) with the object geometry to make them 3D printable as InfraredTags. They also developed a low-cost infrared imaging module for augmenting existing mobile devices and decodes tags using their image processing pipeline. This method enables various applications, including object tracking and embedding metadata for augmented reality as well as tangible interactions.

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MIT InfraredTags Augmented Reality Markers Barcodes

Tags have been used to mark objects and enable different interactive applications with them. For instance, Printed Paper Markers use different paper structures that conceal and reveal fiducial markers to create physical inputs, such as buttons and sliders. DodecaPen can transfer users’ handwriting to the digital environment by tracking ArUco markers attached on a passive stylus,” said the researchers.

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